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TDI bearings have a one-piece double inner race and two single outer races and are typically supplied complete with an outer race spacer as a pre-set assembly. The bearing can be used at fixed positions on rotation shaft applications. For rotating housing application it can be used to float on the stationary shaft.
Unit of Measure

Specifications

Series

 N/A 450000

Cone Part Number

 N/A EE450600D

Cup Part Number

 N/A 451212

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Dimensions

d - Bore

 N/A 6 in152.400 mm

D - Cup Outer Diameter

 N/A 12.1250 in307.975 mm

B - Double Cone Width

 N/A 6.7500 in171.450 mm

C - Cup Width

 N/A 2.4375 in61.913 mm

T - Bearing Width across Cups

 N/A 6.3749 in161.922 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.380 in9.700 mm
r - Cup Backface "To Clear" Radius2 N/A 0.270 in6.86 mm

da - Cone Frontface Backing Diameter

 N/A 7.44 in189 mm

Db - Cup Backface Backing Diameter

 N/A 10.59 in268.99 mm

Ab - Cage-Cone Frontface Clearance

 N/A -0.06 in-1.5 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 57900 lbf258000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 389000 lbf1730000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 101000 lbf449000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 32400 lbf144000 N

Factors

K - Factor7 N/A 1.79
e - ISO Factor8 N/A 0.33
Y1 - ISO Factor9 N/A 2.07
Y2 - ISO Factor10 N/A 3.08
Cg - Geometry Factor11 N/A 0.118

Spacer

Note

 N/A Spacer shows standard nominal .01 radii, actual bearing may vary
  • 1 These maximum fillet radii will be cleared by the bearing corners.
  • 2 These maximum fillet radii will be cleared by the bearing corners.
  • 3 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 4 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 5 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 11 Geometry constant for Lubrication Life Adjustment Factor a3l.
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